Portable lighting fixture



FIG. 1 is a side elevational view of the portable lighting fixture,taken from the left-hand side of FIG. 2;

FIG. 2 is a front elevational view of the portable lighting fixture;

FIG. 3 is a top plan view of the portable lighting fixture of FIGS. 1and 2;

FIG. 4 is a side elevational view of the portable lighting fixture,taken from the right-hand side of FIG. 2;

FIG. 5 is a back elevational view of the portable lighting fixture; and,

FIG. 6 is a bottom plan view of the portable lighting fixture.

The ornamental design for a portable lighting fixture, as shown anddescribed.